Get best alignment

[LuisCastilloV98]

I'm trying to add a code to alignments.py, to get the best alignment the alignment matrix doesn't work, but it doesn't work for me, I don't know if it finds the error and could you help me with it?

def get_best_alignment(alignment_matrix):
  n_nodes = alignment_matrix.shape[0]
  result = []
  if not sp.issparse(alignment_matrix):
      sorted_indices = np.argsort(alignment_matrix)
  for node_index in range(n_nodes):
    target_alignment = node_index #default: assume identity mapping, and the node should be aligned to itself      

    if sp.issparse(alignment_matrix):
          row, possible_alignments, possible_values = sp.find(alignment_matrix[node_index])
          node_sorted_indices = possible_alignments[possible_values.argsort()]
    else:
          node_sorted_indices = sorted_indices[node_index]

    result.append([target_alignment, node_sorted_indices[-1:][0]])

  return result

The idea is that of a result type [A -> B...].